England data:
1. https://www.gov.uk/government/publications/coronavirus-covid-19-number-of-cases-in-england/coronavirus-covid-19-number-of-cases-in-england , CAA 11/03/2020 (data provider discontinued)
2. https://www.gov.uk/government/publications/covid-19-track-coronavirus-cases , CAA 14/03/2020

Scotland data:
https://www.gov.scot/coronavirus-covid-19/ , CAA 14/3/20

Wales data:
1. https://www.walesonline.co.uk/news/wales-news/coronavirus-covid-19-advice-guidance-17901655 , CAA 11/3/20
2. https://www.bbc.co.uk/news/uk-wales-51856495 , CAA 12/3/20
3. https://phw.nhs.wales/news/public-health-wales-statement-on-novel-coronavirus-outbreak/ , CAA 13/3/20

United Kingdom

Greater London